README.md in hako-0.10.0 vs README.md in hako-0.11.0

- old
+ new

@@ -3,10 +3,10 @@
 [![Build Status](https://travis-ci.org/eagletmt/hako.svg)](https://travis-ci.org/eagletmt/hako)
 
 Deploy Docker container.
 
 ## Status
-Under development
+Under development. Any incompatible change will happen without notice.
 
 ## Installation
 
 Add this line to your application's Gemfile:
 